Didn't work. I already have 2 telephone recording connections of this type. They are a different brand (old RS) and work very well. I figured since they were very old I should invest in a backup. This (VEC TRX-20 2.5mm direct plug phone) did not work right out of the box. I tried using it on different wired phones and connected it according to the instructions. It is intended to be placed between the headset and the base of the corded phone. I reconnected the old "RS" brands and they still worked. I see in the reviews that some others don't work out of the box either. I am assuming there is a manufacturing issue here and not all items are inspected prior to shipment. Quality Control Issues?
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